Gunsmoke was premiered on September 10, 1955 and last aired on March 31, 1975. A Western drama created by director Norman MacDonell and written by John Meston. The first choice to play the role of Marshal Dillon was Conrad, but his increasing obesity led to more photogenic actors being considered. The series originate on radio and later moved to TV. It was about a Marshal Matt Dillon who is in charge of Dodge City, he doesn't allow guns in the City. He's trying to solve the things before getting angry.